Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756224Ab0BKO5c (ORCPT ); Thu, 11 Feb 2010 09:57:32 -0500 Received: from terminus.zytor.com ([198.137.202.10]:41444 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755837Ab0BKO5b (ORCPT ); Thu, 11 Feb 2010 09:57:31 -0500 Message-ID: <4B741ABB.2000600@zytor.com> Date: Thu, 11 Feb 2010 06:56:59 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.7) Gecko/20100120 Fedora/3.0.1-1.fc11 Thunderbird/3.0.1 MIME-Version: 1.0 To: "Carlos R. Mafra" CC: Alexander Lam , linux-kernel@vger.kernel.org, Yinghai Lu Subject: Re: mtrr cleanup not doing anything on 2.6.33-rc7 References: <20100211101013.GA4892@Pilar.aei.mpg.de> In-Reply-To: <20100211101013.GA4892@Pilar.aei.mpg.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1373 Lines: 41 On 02/11/2010 02:10 AM, Carlos R. Mafra wrote: > [Add people in that commit to Cc: list, just in case] > > On Mi 10.Feb'10 at 20:48:49 -0500, Alexander Lam wrote: >> On Wed, Feb 10, 2010 at 3:02 PM, Alexander Lam wrote: >>> >>> My kernel config has the following: >>> CONFIG_MTRR=y >>> CONFIG_MTRR_SANITIZER=y >>> CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1 >>> CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1 >>> >>> With previous kernels, dmesg would show that the sanitizer was indeed >>> cleaning up the mtrrs [1] >>> >>> but now, with 2.6.33-rc7 there is no indication that this is occuring, >> >> For those who run across this later, >> >> Found out that commit 508d85c2c6bc8cba53d2a54d9a306ad64a0a80bf, >> x86: When cleaning MTRRs, do not fold WP into UC >> >> causes mtrr cleanup not to run on my machine. >> >> Probably not worth fixing because the i915 error message is harmless. >> -- You're not stating what your MTRR setup looks like, and hence if there is anything to clean up. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/